Mary Carpenter (disambiguation) explained
Mary Carpenter was a social reformer.
Mary Carpenter may also refer to:
- Mary Chapin Carpenter (born 1958), American singer, songwriter and musician
- Mary Elizabeth Sutherland Carpenter, better known as Liz Carpenter (1920–2010), writer, feminist and reporter
- Mary Imogen Carpenter (1912–1993), musician, composer, music lecturer, and actor
- Mary P. Carpenter (1840–1900), American inventor